Home / 12,829,772.76-17,705,084.94-7,673,133.48

Finding the Fourth Proportional to 12,829,772.76, 17,705,084.94 and 7,673,133.48

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Solution

The fourth proportional to 12,829,772.76, 17,705,084.94 and 7,673,133.48 is: 10,588,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829,772.76 : 17,705,084.94 = 7,673,133.48 : x
  2. Step 2: Convert to fraction form
    12,829,772.76/17,705,084.94 = 7,673,133.48/x
  3. Step 3: Cross multiply
    12,829,772.76x = 17,705,084.94 × 7,673,133.48
  4. Step 4: Simplify right side
    12,829,772.76x = 135,853,480,019,357.81
  5. Step 5: Solve for x
    x = 135,853,480,019,357.81/12,829,772.76
  6. Step 6: Final answer
    x = 10,588,923.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.